/* ============================================================
   Prestige Networks — layout.css
   Navbar, Hero, Grid Container, Section Layouts
   ============================================================ */

/* --- Container --------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

.container-sm  { max-width: var(--max-width-sm);  margin: 0 auto; padding: 0 var(--space-5); }
.container-md  { max-width: var(--max-width-md);  margin: 0 auto; padding: 0 var(--space-5); }
.container-lg  { max-width: var(--max-width-lg);  margin: 0 auto; padding: 0 var(--space-5); }
.container-2xl { max-width: var(--max-width-2xl); margin: 0 auto; padding: 0 var(--space-5); }

/* --- Navbar ------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: linear-gradient(135deg, rgba(30, 90, 180, 0.97) 0%, rgba(56, 140, 220, 0.97) 100%);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.2);
  transition: box-shadow 0.35s ease;
}

.navbar.scrolled {
  background: linear-gradient(135deg, rgba(30, 90, 180, 0.97) 0%, rgba(56, 140, 220, 0.97) 100%);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width-xl);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-brand-text {
  font-family: var(--font-primary);
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFD700;
  letter-spacing: 0.01em;
  line-height: 1;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
  transition: color 0.2s ease;
}

.nav-logo:hover .nav-brand-text {
  color: #FFE84D;
}

/* Force solid navbar when on non-hero pages */
.page-inner .navbar {
  background: linear-gradient(135deg, rgba(30, 90, 180, 0.98) 0%, rgba(56, 140, 220, 0.98) 100%);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent-blue);
  background: rgba(255,255,255,0.08);
}

/* Dropdown */
.nav-item-dropdown {
  position: relative;
}

.dropdown-arrow {
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.nav-item-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-deep-blue);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  min-width: 220px;
  padding: var(--space-2);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 100;
}

.nav-item-dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown .nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  transition: var(--transition-fast);
}

.nav-toggle:hover {
  background: rgba(255,255,255,0.15);
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero Section ------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-deep-blue);
}

/* --- Hero image slideshow ----------------------------------- */
.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0;
  animation: heroFade 18s ease-in-out infinite;
}

.slide-1 {
  background-image: url('/images/hero-banner-1.png');
  animation-delay: 0s;
}

.slide-2 {
  background-image: url('/images/hero-banner-2.png');
  animation-delay: 6s;
}

.slide-3 {
  background-image: url('/images/hero-banner-3.png');
  animation-delay: 12s;
}

@keyframes heroFade {
  0%   { opacity: 0; transform: scale(1.04); }
  8%   { opacity: 1; transform: scale(1.04); }
  30%  { opacity: 1; transform: scale(1.00); }
  38%  { opacity: 0; transform: scale(1.00); }
  100% { opacity: 0; transform: scale(1.04); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 27, 62, 0.82) 0%,
    rgba(13, 27, 62, 0.60) 50%,
    rgba(10, 20, 45, 0.75) 100%
  );
  z-index: 1;
}

/* --- Hero brand mark (prominent logo — upper left) ---------- */
.hero-brand-mark {
  position: absolute;
  top: calc(var(--nav-height) + 28px);
  left: 48px;
  z-index: 3;
  animation: fadeIn 0.9s ease 0.2s both;
}

.hero-brand-logo {
  width: 260px;
  height: auto;
  display: block;
  filter: drop-shadow(0 2px 16px rgba(0, 0, 0, 0.45));
  transition: filter 0.3s ease, transform 0.3s ease;
}

.hero-brand-logo:hover {
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.6));
  transform: translateY(-2px);
}

/* --- Hero content ------------------------------------------ */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  padding: 0 var(--space-5);
  padding-top: var(--nav-height);
  color: var(--color-white);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.1);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--color-accent-blue);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
  animation: fadeInDown 0.7s ease both;
}

.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--color-soft-green);
  border-radius: 50%;
  animation: pulse-dot 1.5s ease infinite;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: var(--space-5);
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.80);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto var(--space-7);
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  animation: fadeInUp 0.7s ease 0.3s both;
}


/* --- Stats bar --------------------------------------------- */
.stats-bar {
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 10;
  margin-top: -2px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  padding: var(--space-6) var(--space-5);
  text-align: center;
  border-right: 1px solid var(--color-border);
  transition: var(--transition-fast);
}

.stat-item:last-child {
  border-right: none;
}

.stat-item:hover {
  background: var(--color-light-gray);
}

.stat-number {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-deep-blue);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-number span {
  color: var(--color-sky-blue);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* --- Services grid ------------------------------------------ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

/* --- Process steps ----------------------------------------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-sky-blue), var(--color-soft-green));
  z-index: 0;
}

/* --- Two-col section --------------------------------------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.two-col-reverse {
  direction: rtl;
}

.two-col-reverse > * {
  direction: ltr;
}

/* --- Testimonials ------------------------------------------ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

/* --- AI Details section ------------------------------------ */
#ai-details .eyebrow  { color: var(--color-accent-blue); }
#ai-heading           { color: #fff; margin-bottom: var(--space-4); }

/* --- Vision (About) section -------------------------------- */
#vision-heading       { margin-bottom: var(--space-5); }

/* --- CTA section ------------------------------------------- */
.cta-inner .eyebrow   { color: var(--color-accent-blue); }
#cta-heading          { color: #fff; font-size: clamp(1.8rem, 4vw, 3rem); margin-bottom: var(--space-5); }

.cta-section {
  background: url('../../images/hero-banner-4.jpg') center center / cover no-repeat;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,20,50,0.82) 0%, rgba(10,30,70,0.75) 60%, rgba(5,15,40,0.82) 100%);
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(46,204,113,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

/* --- Footer ------------------------------------------------- */
.site-footer {
  background: var(--color-deep-blue);
  color: rgba(255,255,255,0.85);
  border-top: 3px solid #ffffff;
}

.footer-top {
  padding: var(--space-9) 0 var(--space-7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: var(--space-7);
}

.footer-logo-link {
  display: block;
  text-align: left;
  margin-bottom: var(--space-5);
}

.footer-logo {
  width: 200px;
  height: auto;
  object-fit: contain;
  display: inline-block;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
  transition: filter 0.3s ease, transform 0.3s ease;
}

.footer-logo-link:hover .footer-logo {
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.5));
  transform: translateY(-2px);
}

.footer-tagline {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: var(--space-3);
}

.footer-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.social-icon:hover {
  background: var(--color-sky-blue);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-heading {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  padding: 2px 0;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-blue);
  padding-left: var(--space-2);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

.footer-contact-list svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-sky-blue);
}

.footer-contact-list a {
  color: rgba(255,255,255,0.6);
}

.footer-contact-list a:hover {
  color: var(--color-accent-blue);
}

.footer-cta {
  margin-top: var(--space-2);
}

.footer-bottom {
  background: linear-gradient(135deg, rgba(30, 90, 180, 0.95) 0%, rgba(56, 140, 220, 0.95) 100%);
  border-top: none;
  padding: var(--space-5) 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-copy {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.85);
  margin: 0;
}

.footer-legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.footer-legal-nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.85);
}

.footer-legal-nav a:hover {
  color: #FFD700;
}

/* --- Animations -------------------------------------------- */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}


@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

/* --- Scroll-triggered fade-in ------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }